266066360 has 64 divisors (see below), whose sum is σ = 697118400. Its totient is φ = 89496576.

The previous prime is 266066351. The next prime is 266066363. The reversal of 266066360 is 63660662.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a self number, because there is not a number n which added to its sum of digits gives 266066360.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (266066363) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5876 + ... + 23804.

It is an arithmetic number, because the mean of its divisors is an integer number (10892475).

Almost surely, 2^266066360 is an apocalyptic number.

266066360 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 266066360, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (348559200).

266066360 is an abundant number, since it is smaller than the sum of its proper divisors (431052040).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

266066360 is a wasteful number, since it uses less digits than its factorization.

266066360 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18000 (or 17996 counting only the distinct ones).

The product of its (nonzero) digits is 46656, while the sum is 35.

The square root of 266066360 is about 16311.5406997622. The cubic root of 266066360 is about 643.1762354259.

The spelling of 266066360 in words is "two hundred sixty-six million, sixty-six thousand, three hundred sixty".